Clinics and Departments

Laboratory Services

Lab Dept:

Chemistry

Test Name:

LIDOCAINE LEVEL

General Information

Lab Order Codes:

LIDO

Synonyms:

Xylocaine®

CPT Codes:

80176 - Lidocaine

Test Includes:

Lidocaine level reported in ug/mL.

Logistics

Test Indications:

Assessing optimal dosing during the acute management of ventricular arrhythmias following myocardial infarction or during cardiac manipulation during surgery. Assessing potential toxicity.

Lab Testing Sections:

Chemistry - Sendouts

Referred to:

MedTox Laboratories (MedTox Test: 60)

Phone Numbers:

MIN Lab: 612-813-6280

STP Lab: 651-220-6550

Test Availability:

Daily, 24 hours

Turnaround Time:

1 day, performed daily

Special Instructions:

N/A

Specimen

Specimen Type:

Blood

Container:

Red top or green top (no gel) tube

Draw Volume:

3 mL (Minimum: 1.5 mL) blood

Processed Volume:

1 mL (Minimum: 0.5 mL) serum/plasma

Collection:

Routine venipuncture

Special Processing:

Lab Staff: Centrifuge specimen, remove plasma aliquot into a screw-capped round bottom plastic vial. Store and ship at refrigerated temperatures. Forward promptly.

Patient Preparation:

None

Sample Rejection:

Gross hemolysis; mislabeled or unlabeled specimens

Interpretive

Reference Range:

1.2 – 6.0 mcg/mL

Critical Values:

>6.0 ug/mL

Limitations:

N/A

Methodology:

Immunoassay (IA)

References:

MedTox Laboratories December 2012

Updates:

1/14/2010: Plasma samples no longer accepted. Units change from ug/mL to mcg/mL.
12/17/2012: Testing moved from Mayo to MedTox. Note new reference ranges.



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